Your situation seems to be very difficult, and plastic surgery is not easy (I have never heard of this kind of plastic surgery).
You should be a girl, right? In your case, the skeleton is already very wide, and the inner eight is already very good. Wouldn't it be ugly if you were a foreign eight? X-shaped legs are also normal because of the large distance between the legs and bones. In order to keep your legs together, you will naturally have X-shaped legs.
But your figure is still good. If you give birth in the future, especially if you give birth naturally, it won't be too uncomfortable.
However, it is not recommended that you wear high heels in the future. Although you are not tall, the X-leg and knee are unevenly stressed. If you wear high heels, it is irreparable harm to your knees.
Suggestion: wearing long coats, stovepipe pants and canvas shoes will make your legs look thin.